Whats new

• Changed network timeout to 30 minutes (up from 20 seconds)
• Changed network connections to HTTP/2
• Changed network connections to auto-close close
• Moved all downloads to new FileDownloader class (imporved reporting to the UI, imporved logging)
• Added cancel button in network tester
• Fixed issue where XboxApp games would trigger an error saying the cover is currently being used when trying to save a new copy
• Improved general logging